Topic Details (Notes format)

Cell: Structure and Functions

Subject: General Science

Book: NCERT Science Class 8

The cell is the basic unit of life.
- **Types**:
- Plant cells (cell wall, chloroplast).
- Animal cells (no cell wall).
- **Cell Components**:
- Nucleus (controls activities).
- Cytoplasm (contains organelles).
- **Functions**:
- Growth, repair, reproduction.

**Possible Exam Questions:**
1. What is the difference between plant and animal cells?
2. How does the nucleus control cell activities?
3. What are the functions of different cell organelles?
4. Why is the cell called the basic unit of life?
5. Explain the process of cell division.

Practice Questions

What is the main component of the human skeleton?

View Question

Which planet has the strongest gravitational force?

View Question

Which organ is responsible for filtering blood in the human body?

View Question

What is the pH of pure water at 25°C?

View Question

Which disease is caused by a virus?

View Question

Which gas is commonly used in balloons to make them float?

View Question

Which part of the brain is responsible for balance and coordination?

View Question

Which process converts glucose into energy in the human body?

View Question

Which organelle is known as the "powerhouse of the cell"?

View Question

What is the boiling point of water at standard atmospheric pressure?

View Question